diff --git a/designer-realize/src/main/java/com/fr/design/parameter/ParameterDefinitePane.java b/designer-realize/src/main/java/com/fr/design/parameter/ParameterDefinitePane.java
index d1d5f5a96..3262129ca 100644
--- a/designer-realize/src/main/java/com/fr/design/parameter/ParameterDefinitePane.java
+++ b/designer-realize/src/main/java/com/fr/design/parameter/ParameterDefinitePane.java
@@ -237,7 +237,7 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
      *
      * @param workBook
      */
-    public void populate(@NotNull final JWorkBook workBook) {
+    public void populate(final JWorkBook workBook) {
         isEditing = false;
         this.workBook = workBook;
         ReportParameterAttr reportParameterAttr = workBook.getTarget().getReportParameterAttr();
@@ -426,7 +426,9 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
         if (propertyChangeListener != null) {
             propertyChangeListener.propertyChange();
         }
-        workBook.setAutoHeightForCenterPane();
+        if (workBook != null) {
+            workBook.setAutoHeightForCenterPane();
+        }
     }
 
     /**
@@ -447,7 +449,9 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
         if (propertyChangeListener != null) {
             propertyChangeListener.propertyChange();
         }
-        workBook.setAutoHeightForCenterPane();
+        if (workBook != null) {
+            workBook.setAutoHeightForCenterPane();
+        }
     }
 
     /**
@@ -470,7 +474,9 @@ public class ParameterDefinitePane extends JPanel implements ToolBarMenuDockPlus
         if (propertyChangeListener != null) {
             propertyChangeListener.propertyChange();
         }
-        workBook.setAutoHeightForCenterPane();
+        if (workBook != null) {
+            workBook.setAutoHeightForCenterPane();
+        }
     }
 
     /**